Muncie, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.2 °F (low) to 62 °F (high). Annual precipitation averages 40.6 Inches. Muncie is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.1 °F | 33.8 °F | 2.42 in. |
| February | 21.3 °F | 38.4 °F | 2.11 in. |
| March | 30.5 °F | 50.1 °F | 2.86 in. |
| April | 41.1 °F | 63.7 °F | 4.09 in. |
| May | 52.6 °F | 74.0 °F | 4.55 in. |
| June | 61.7 °F | 82.1 °F | 4.79 in. |
| July | 64.3 °F | 84.5 °F | 4.23 in. |
| August | 62.1 °F | 83.0 °F | 3.2 in. |
| September | 54.7 °F | 78.2 °F | 3.21 in. |
| October | 43.2 °F | 65.9 °F | 3.39 in. |
| November | 32.7 °F | 51.3 °F | 3.27 in. |
| December | 23.8 °F | 38.7 °F | 2.46 in. |
| Annual | 42.2 °F | 62 °F | 40.58 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |